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. Author manuscript; available in PMC: 2008 Dec 24.
Published in final edited form as: Inorg Chem. 2007 Dec 1;46(26):11190–11201. doi: 10.1021/ic7015726

Figure 3.

Figure 3

1H NMR spectra of (a) [RuIII(acac)2(py-imH)]OTf (2) and (b) RuIII(acac)2(py-im) (3) in CD3CN. Peaks A to D are assigned as acac-CH3 protons, peaks 1, 2, 3, and 5 as pyridine protons, and 4, 6, 7, and 8 as acac- or imidazole-CH protons. The letters and numbers show the corresponding signals between 2 and 3, as determined by reversible NMR titration by DBU/HOTf. Solvent and impurity peaks are denoted by asterisks (*).